"In this July 27, 2013, file photo, North Korean soldiers turn and look towards leader Kim Jong Un as they carry packs marked with the nuclear symbol at a parade in Pyongyang, North Korea. North Korea's vice foreign minister Han Song Ryol said in an interview with the Associated Press on Friday, April 14, 2017: ""We've got a powerful nuclear deterrent already in our hands, and we certainly will not keep our arms crossed in the face of a U.S. pre-emptive strike."" (AP Photo/Wong Maye-E, File)"
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